FUEL – Primer Bulb 5/16″ (8mm)

This 5/16″ (8mm) Fuel Primer Bulb is a critical component for priming diesel fuel systems, ensuring fast and reliable starts in cold conditions or after maintenance. Designed for use with 5/16-inch (8mm) fuel lines, this hand primer bulb manually draws fuel from the tank to the engine or filter, eliminating air pockets and preventing hard starts. It’s especially useful in generator applications where consistent fuel delivery is essential for standby or off-grid power reliability.

Built with durable rubber and corrosion-resistant internal check valves, this primer bulb maintains flexibility and performance even in harsh weather. Its universal design makes it compatible with most diesel engines and generator setups, particularly during initial startup, fuel filter changes, or after fuel system servicing. A secure one-way valve ensures efficient fuel flow in the correct direction without backflow.

At Aurora Generators, we select only dependable, high-quality fuel system components to support the performance of our diesel-powered generators. Whether you’re performing regular maintenance or troubleshooting a fuel delivery issue, this primer bulb is a trusted tool in any technician’s kit.